TY - JOUR
T1 - Demonstration of near-optimal discrimination of optical coherent states
AU - Wittmann, Christoffer
AU - Takeoka, Masahiro
AU - Cassemiro, Katiúscia N.
AU - Sasaki, Masahide
AU - Leuchs, Gerd
AU - Andersen, Ulrik L.
PY - 2008/11/17
Y1 - 2008/11/17
N2 - The optimal discrimination of nonorthogonal quantum states with minimum error probability is a fundamental task in quantum measurement theory as well as an important primitive in optical communication. In this work, we propose and experimentally realize a new and simple quantum measurement strategy capable of discriminating two coherent states with smaller error probabilities than can be obtained using the standard measurement devices: the Kennedy receiver and the homodyne receiver.
AB - The optimal discrimination of nonorthogonal quantum states with minimum error probability is a fundamental task in quantum measurement theory as well as an important primitive in optical communication. In this work, we propose and experimentally realize a new and simple quantum measurement strategy capable of discriminating two coherent states with smaller error probabilities than can be obtained using the standard measurement devices: the Kennedy receiver and the homodyne receiver.
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U2 - 10.1103/PhysRevLett.101.210501
DO - 10.1103/PhysRevLett.101.210501
M3 - Article
AN - SCOPUS:56849101217
SN - 0031-9007
VL - 101
JO - Physical Review Letters
JF - Physical Review Letters
IS - 21
M1 - 210501
ER -